Expandable liner for the protection and strengthening of existing pipes
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United States of America Patent
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Jul 21, 2015
Issued Date -
N/A
app pub date -
Oct 15, 2013
filing date -
Apr 18, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A method of lining an interior of a pipe in need of repair comprises providing a carrier tube having one or more expandable materials, coating the carrier tube with a binder, securing one or more layers of a fiber-laden material along an exterior surface of the carrier tube with the assistance of the binder. The carrier tube is delivered, together with the at least one layer of the fiber-laden material and the binder, to a targeted location inside a pipe in need of repair. The carrier tube comprises a first diameter while the carrier tube is being delivered to the targeted located inside the pipe in need of repair. The method additionally comprises radially expanding the carrier tube from the first diameter to a second diameter, such that the one or more layers of the fiber-laden material and the binder at least partially contact and/or adhere to an interior wall of the pipe.
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